Switching between multiple presentations

1. Click to select File | Open.
2. Click to select the first presentation file.
3. Hold down the Ctrl key on your keyboard and click on the second file, and then on the next, and then release the Ctrl key.
4. Click on Open, whereafter all selected files will open in Microsoft PowerPoint—one on top of the other, as illustrated in the following screenshot:

5. Click on the View tab on the ribbon.

6. Navigate to the Switch Windows drop-down option and click on the arrow, as illustrated in the following screenshot:

7. A list of open presentations will appear as a drop-down list.
8. Click on the presentation you wish to make the active presentation.

Alternatively, you can follow these steps:

1. Take a look at the Windows taskbar, shown in the following screenshot:

2. If you position your mouse over the PowerPoint application icon, a list of open PowerPoint presentations (in tiny windows) will be displayed just above the taskbar.